blob: 6483f1123c01383900645c1912f13d407b2fbb82 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
enable_language (C)
include(CheckCompilerFlag)
set(C 1) # test that this is tolerated
check_compiler_flag(C "-_this_is_not_a_flag_" SHOULD_FAIL)
if(SHOULD_FAIL)
message(SEND_ERROR "invalid C compile flag didn't fail.")
endif()
if(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang" AND NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
check_compiler_flag(C "-x c" SHOULD_WORK)
if(NOT SHOULD_WORK)
message(SEND_ERROR "${CMAKE_C_COMPILER_ID} compiler flag '-x c' check failed")
endif()
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
check_compiler_flag(C "-frtti" SHOULD_FAIL_RTTI)
if(SHOULD_FAIL_RTTI)
message(SEND_ERROR "${CMAKE_C_COMPILER_ID} compiler flag '-frtti' check passed but should have failed")
endif()
endif()
|
